package com.lky.marshallmall.order.config;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.annotation.PostConstruct;

/**
 * Created by
 * autor : Marshall lky
 * datetime: 2021/6/4 15:37
 */
@Configuration
public class MyRabbitConfig {

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Bean
    public MessageConverter messageConverter(){
        return new Jackson2JsonMessageConverter();
    }

    @PostConstruct  //@PostConstruct：MyRabbitConfig对象创建完成以后调用该方法
    public void initRabbitTemplate(){
        //设置确认回调
        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
            /**
             *
             * @param correlationData 当前消息的唯一关联数据（消息的唯一ID）
             * @param ack 消息是否成功收到
             * @param cause 失败的原因
             */
            @Override
            public void confirm(CorrelationData correlationData, boolean ack, String cause) {
                System.out.println("confirm... correlationData:["+correlationData+"],ack:["+ack+"],cause:["+cause+"]");
            }
        });
        //设置消息抵达队列的确认回调
        rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() {
            /**
             * 只要消息没有投递给指定的队列，就触发该回调
             * @param message 投递失败的消息详细信息
             * @param replyCode 回复的状态码
             * @param replyText 回复的文本内容
             * @param exchange 当时这个消息发送给哪个交换机
             * @param routingKey 当时消息发送指定哪个路由件
             */
            @Override
            public void returnedMessage(Message message, int replyCode, String replyText, String exchange, String routingKey) {
                System.out.println("Fail... Message:["+message+"],replyCode:["+replyCode+"],replyText:["+replyText+"],exchange:["+exchange+"],routingKey:["+routingKey+"]");
            }
        });
    }

}
